Customization: | Available |
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Type: | Refractory Cement |
Strength Grade(Mpa): | 20-40/1day |
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Grade Name | Normal grade CA50 | ||||
Type No. | X5 | X6 | X7 | ||
Chemical Component |
SiO2 | ≤8 | ≤8 | ≤7.5 | |
Al2O3 | ≥50.0 | ≥50.0 | ≥52.0 | ||
Fe2O3 | ≤2.5 | ≤2.5 | ≤2.0 | ||
R2O | ≤0.4 | ≤0.4 | ≤0.4 | ||
Main crystal phase | CA | ||||
Secondary phase | CA2,C12A7,C2AS,CT | ||||
Residue after 325Mesh(%) | ≤15 | ||||
Blaine (m2/kg) | ≥300 | ||||
Initial setting time(min) | ≥30 | ||||
Final setting time(h) | ≤6 | ||||
Flexural strength (Mpa) | 1d | 5.5 | 6 | 6.5 | |
3d | 6.5 | 7 | 7.5 | ||
Compressive Strength (Mpa) |
1d | 40 | 45 | 50 | |
3d | 50 | 55 | 60 | ||
Grade Name | High strength CA50 | ||||||
Type No. | X9 | N | FUSED | ||||
Chemical Component |
SiO2 | ≤7.0 | ≤7.0 | ≤6.0 | |||
Al2O3 | ≥55.0 | ≥55.0 | ≥55.0 | ||||
Fe2O3 | ≤2.5 | ≤2.5 | ≤2.5 | ||||
R2O | ≤0.4 | ≤0.4 | ≤0.4 | ||||
Main crystal phase | CA | ||||||
Secondary phase | CA2,C2AS | C12A7,C2AS | C12A7,C2AS | ||||
Residue after 325Mesh(%) | ≤15 | ||||||
Blaine (m2/kg) | ≥400 | ≥350 | ≥400 | ||||
Initial setting time(min) | ≥90 | ≥30 | ≥120 | ||||
Final setting time(h) | ≤6 | ≤6 | ≤8 | ||||
Flexural strength (Mpa) | 6-8h | - | 4 | 4 | |||
1d | 8 | 6 | 10 | ||||
3d | 10 | 7 | 11 | ||||
Compressive Strength (Mpa) |
6-8h | - | 30 | 30 | |||
1d | 70 | 50 | 75 | ||||
3d | 80 | 60 | 80 | ||||